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Hands down Leatherman’s most popular model, the Leatherman Wave Multi-Tool was made famous by its outside-accessible blades that can be deployed with just one hand. Redesigned in 2004, Leatherman gave the Wave Multi-Tool larger knives, stronger pliers, longer wire cutters, and all-locking blades. Perfect for any job, adventure, or everyday task, the Leatherman Wave Multi-Tool is an international best-seller.